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= 1/2 × 6 cm × 6 cm
= 3 cm × 6 cm
= 18 cm²
L juring = α/360 × L lingkaran
= 90/360 × 3,14 × r²
= 1/4 × 3,14 × 6²
= 0,785 × 36
= 28,26 cm²
L tembereng = L juring - L segitiga
= 28,26 - 18
= 10,26 cm²
Jadi luas tembereng adalah 10,26 cm² atau sama dengan 10,27 cm² (D).